Lawn mower blade



FIG. 1 is a perspective view of a lawn mower blade of the present invention;

FIG. 2 is a plan top view of the design shown in FIG. 1;

FIG. 3 is a plan bottom view of the design shown in FIG. 1;

FIG. 4 is a front elevation view (back elevation view identical) of the design shown in FIG. 1; and,

FIG. 5 is a left side elevation view (right side elevation view identical) of the design shown in FIG. 1. 

CLAIM The ornamental design for a lawn mower blade, as shown and described herein. 